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The General Tools and Instruments Magnetic Tester is a tool that helps determine whether something is magnetic.
Our tool has useful application in finding north and south poles of magnetic fields.
The tester alerts you with two color LED indicators; red lights for north, green for south.
A loud buzzer indication alerts when the magnet poles have been found.
The tester comes with a practical pocket clip making it useful and portable in the field.
The tester runs on 4 LR44 batteries which are included.
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Works fantastic for testing magnetic polarity! It's much easier to hold this near a magnet to determine which pole is facing where when dealing with large magnets rather than trying to have 2 large magnets close to one another and possibly having them crash together.
Makes quick/easy work of being able to stack a large number of big magnets!!
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